Comparing Erling Haaland to Son is completely out of the question because there is a substantial distinction between a player who is spoonfed hundreds of passes just for him to score and players who hustle their way out for this goals ranking. What I'm trying to comprehend completely is Son is more effective with footings on the ball than Erling Haaland who is only in it for the goals. Son Heung-Min's performance has improved since Harry Kane's departure from Tottenham this summer. All the weights that have circulated the Englishman have turned out to face Son, and he is ready to lead his squad to glory. Angelos Postecoglou, the new manager, is also an amazing piece of creativity that supports his players in competing for the EPL crown this season.
Son Heung Min is a winger and Erling Haaland is a striker, so it is quite clear that their roles are definitely different even though they both have opportunities to score goals. Maybe for a striker what is important is being able to position himself well to receive a pass or even if he can step freely in the opponent's penalty box, of course 80% of the time it can be a goal. But for a winger, they have to dribble the ball first and even have to pass the opposing defender before finally sprinting and finally just finishing, which is sometimes quite weak. But that weak finishing can still be honed well so you can score goals.
Coach Ange definitely knows how to use Son Heung Min properly and has proven that as a winger he is much more productive. Losing Harry Kane doesn't seem to have much of an impact on Spurs because they have much more freedom this season. Perhaps Richarlison, who is often appointed as a striker, has experienced a decline in performance even since last season. But I think as long as there is Son Heung Min, the goal scoring machine will still be there this season.